/*
 * Copyright (c) 2000 jPOS.org.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *    "This product includes software developed by the jPOS project 
 *    (http://www.jpos.org/)". Alternately, this acknowledgment may 
 *    appear in the software itself, if and wherever such third-party 
 *    acknowledgments normally appear.
 *
 * 4. The names "jPOS" and "jPOS.org" must not be used to endorse 
 *    or promote products derived from this software without prior 
 *    written permission. For written permission, please contact 
 *    license@jpos.org.
 *
 * 5. Products derived from this software may not be called "jPOS",
 *    nor may "jPOS" appear in their name, without prior written
 *    permission of the jPOS project.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  
 * IN NO EVENT SHALL THE JPOS PROJECT OR ITS CONTRIBUTORS BE LIABLE FOR 
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 * POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the jPOS Project.  For more
 * information please see <http://www.jpos.org/>.
 */

package com.nasoft.util;

import java.io.IOException;
import java.io.PrintStream;
import java.sql.SQLException;
import java.util.EventObject;
import java.util.Iterator;
import java.util.Vector;

import org.jdom.Element;
import org.jdom.output.Format;
import org.jdom.output.XMLOutputter;

/**
 * @author apr@cs.com.uy
 * @version $Id: LogEvent.java,v 1.14 2004/04/18 23:07:25 apr Exp $
 * @serial
 */
public class LogEvent extends EventObject
{
  /**
   * @serial
   */
  LogSource     source;
  /**
   * @serial
   */
  public String tag;
  /**
   * @serial
   */
  public Vector payLoad;

  public LogEvent(LogSource source, String tag)
  {
    super(source);
    this.source = source;
    this.tag = tag;
    this.payLoad = new Vector();
  }

  public LogEvent(LogSource source, String tag, Object msg)
  {
    super(source);
    this.source = source;
    this.tag = tag;
    this.payLoad = new Vector(1);
    addMessage(msg);
  }

  public void addMessage(Object msg)
  {
    this.payLoad.addElement(msg);
  }

  public void addMessage(String tagname, String message)
  {
    this.payLoad.addElement("<" + tagname + ">" + message + "</" + tagname
        + ">");
  }

  public void dump(PrintStream p, String indent)
  {
	  try{
		  if (payLoad.size() == 0)
		      p.println(indent + "<" + tag + "/>");
		    else
		    {
		      p.println(indent + "<" + tag + ">");
		      String newIndent = indent + "  ";
		      Iterator i = payLoad.iterator();
		      while (i.hasNext())
		      {
		        Object o = i.next();
		        if (o instanceof Loggeable)
		          ((Loggeable) o).dump(p, newIndent);
		        else if (o instanceof SQLException)
		        {
		          SQLException e = (SQLException) o;
		          p.println(newIndent + "<SQLException>" + e.getMessage()
		              + "</SQLException>");
		          p.println(newIndent + "<SQLState>" + e.getSQLState() + "</SQLState>");
		          p.println(newIndent + "<VendorError>" + e.getErrorCode()
		              + "</VendorError>");
		          ((Throwable) o).printStackTrace(p);
		        } else if (o instanceof Throwable)
		        {
		          p.println(newIndent + "<exception name=\""
		              + ((Throwable) o).getMessage() + "\">");
		          p.print(newIndent);
		          ((Throwable) o).printStackTrace(p);
		          p.println(newIndent + "</exception>");
		        } else if (o instanceof Object[])
		        {
		          Object[] oa = (Object[]) o;
		          p.print(newIndent + "[");
		          for (int j = 0; j < oa.length; j++)
		          {
		            if (j > 0)
		              p.print(",");
		            p.print(oa[j].toString());
		          }
		          p.println("]");
		        } else if (o instanceof Element)
		        {
		          p.println("");
		          p.println(newIndent + "<![CDATA[");
		          XMLOutputter out = new XMLOutputter();// new XMLOutputter (" ", true);
		          out.setFormat(Format.getPrettyFormat());
		          try
		          {
		            out.output((Element) o, p);
		          } catch (IOException ex)
		          {
		            ex.printStackTrace(p);
		          }
		          p.println("");
		          p.println(newIndent + "]]>");
		        } else if (o != null)
		        {
		          p.println(newIndent + o.toString());
		        } else
		        {
		          p.println(newIndent + "null");
		        }
		      }
		      p.println(indent + "</" + tag + ">");
		    }
	  }catch(Exception e){
		  e.printStackTrace();
	  }
    
  }

  public String getRealm()
  {
    return source.getRealm();
  }

  public Vector getPayLoad()
  {
    return payLoad;
  }
}
